25723100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 61537728

約数和(自身を除く): 35814628

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 421, 470, 611, 650, 842, 940, 1175, 1222, 1300, 1684, 2105, 2350, 2444, 3055, 4210, 4700, 5473, 6110, 8420, 10525, 10946, 12220, 15275, 19787, 21050, 21892, 27365, 30550, 39574, 42100, 54730, 61100, 79148, 98935, 109460, 136825, 197870, 257231, 273650, 395740, 494675, 514462, 547300, 989350, 1028924, 1286155, 1978700, 2572310, 5144620, 6430775, 12861550, 25723100]

約数ペア:

[(1, 25723100), (2, 12861550), (4, 6430775), (5, 5144620), (10, 2572310), (13, 1978700), (20, 1286155), (25, 1028924), (26, 989350), (47, 547300), (50, 514462), (52, 494675), (65, 395740), (94, 273650), (100, 257231), (130, 197870), (188, 136825), (235, 109460), (260, 98935), (325, 79148), (421, 61100), (470, 54730), (611, 42100), (650, 39574), (842, 30550), (940, 27365), (1175, 21892), (1222, 21050), (1300, 19787), (1684, 15275), (2105, 12220), (2350, 10946), (2444, 10525), (3055, 8420), (4210, 6110), (4700, 5473)]